Question 1
Immediately following the arrival of the stimulus at a skeletal muscle cell there is a short period called the ________ period during which the neurotransmitter is released by exocytosis, diffuses across the synaptic cleft, and binds to its receptors.
◦ contraction
◦ latent
◦ refractory
◦ relaxation
Question 2
Creatine phosphate functions in the muscle cell by ________.
◦ storing energy that will be transferred to ADP to resynthesize ATP
◦ forming a chemical compound with actin
◦ forming a temporary chemical compound with myosin
◦ inducing a conformational change in the myofilaments